Index: /issm/trunk/externalpackages/valgrind/issm.supp
===================================================================
--- /issm/trunk/externalpackages/valgrind/issm.supp	(revision 4827)
+++ /issm/trunk/externalpackages/valgrind/issm.supp	(revision 4828)
@@ -58,4 +58,17 @@
 	  fun:KSPSolve
 }
+{
+	petsc4firstcall
+	  Memcheck:User
+	  fun:check_mem_is_defined_untyped
+	  fun:walk_type
+	  fun:PMPI_Allreduce
+	  fun:MPIR_Get_contextid
+	  fun:MPIR_Comm_copy
+	  fun:PMPI_Comm_dup
+	  fun:PMPI_Comm_dup
+	  fun:PetscCommDuplicate
+	  fun:PetscHeaderCreate_Private
+}
 #}}}1
 #Miscellaneous {{{1